package com.thinkgem.jeesite.common.utils;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5util {
	  public  static String MD5Encode(String plainText) {
		   	 String re_md5 = new String();
		          try {
		              MessageDigest md = MessageDigest.getInstance("MD5");
		              md.update(plainText.getBytes());
		              byte b[] = md.digest();	 
		              int i;	 
		              StringBuffer buf = new StringBuffer("");
		              for (int offset = 0; offset < b.length; offset++) {
		                  i = b[offset];
		                  if (i < 0)
		                      i += 256;
		                  if (i < 16)
		                      buf.append("0");
		                  buf.append(Integer.toHexString(i));
		              }	 
		              re_md5 = buf.toString();
		          } catch (NoSuchAlgorithmException e) {
		              e.printStackTrace();
		          }
		          return re_md5;
		   }
}
